The data collected by the MBSS during 1995 to 2019 cover the major river basins in the State. Here is the MBSS Data Users Guide. The data have undergone quality control checks and are available by completing a Data Request Form. Please allow 30 days for your request to be filled. If you have questions or comments about the process, please email Katherine Hanna at katherine.hanna@maryland.gov.

Katherine Hanna
Maryland Department of Natural Resources
Monitoring & Non-Tidal Assessment Division
580 Taylor Avenue, C-2
Annapolis, Maryland 21401